Features: True ?0.012% of reading accuracy Source and Read 0.000-24.000 mA Simulate 2-Wire Transmitters Power 2-Wire Transmitters and Read 0.000-24.000mA Display current in mA or -25.00-125.00 % of 4-20 mA Read 0.00 to ? 30.00 VDC with 4X over range ability Source 0.000 to 24.000 VDC with up to 20mA output Direct Calibration 1.000V to 5.000V Auto Step or Ramp Selectable step sizes, time in-between steps & soak time Stop watch like EZ-Check? switch Full 5 Digit Display Uses 1 ? 9Volt alkaline battery Superior battery life of 40 hours under typical continuous usage 240 VAC Tolerant HART? protocol compatibility mode Power on selectable 250Ω resistor in series with the output for compatibility with HART? protocol enabled devices.